Right now in 78665
Looks stormy in 78665!
96°F · Chance Showers And Thunderstorms
Wind SSE 15 mph · 43% chance of rain
Tonight · 74°F · Showers And Thunderstorms Likely
Flood Watch · Severe
Moving to 78665
Your home in 78665
A guide to Williamson County · TX — see who delivers power and compare electricity plans.
Featured plans
Prices update daily. Average price in ¢/kWh.
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Moving in the first 48 hours
If you are moving to 78665, here are some things to consider:
đź’ˇ Turn the lights on
This ZIP is on Oncor. Pick a retail electricity plan ⚡, then you’re set to start service.
Compare plansđź’§ Start water & trash
Start water, sewer, and curbside pickup 🗑️ before you move in.
🔥 Confirm natural gas
Confirm whether or not this address requires natural gas before you need the stove 🍳.
First week
Paperwork and errands
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If something goes wrong
- Power out888-313-4747Oncor
- Emergency911Police · Fire · EMS
Oncor delivers power in the South zone. You choose the retail plan.
Compare plansFAQ
Can I shop electricity in ZIP 78665?
Yes. ZIP 78665 (Round Rock, TX) is in a competitive market served by Oncor.
Who is the delivery utility?
Oncor owns the wires and meter. The retail plan is what you shop.
What load zone is this ZIP in?
ZIP 78665 is in the South load zone.